Summer days with crashing thunder, when you can hear the sky rip apart over your head and feel the sound in your chest. Winter days with biting cold and no wind, where the sun shines upon shimmering snow covers. That's my kind of days.
Prevalent in the major works of Leonardo Da Vinci & underlying many of his design compositions, is the phi relationship (aka the Golden Ratio or the Golden Mean), a ratio of approx. found in nature & creation, & inherent in the Fibonacci sequence.